Our Double Crush Washers are the way forward. Thanks to a JP original design and careful metallurgy, your next comp installation can be quick and painless. These washers auto-center and provide smooth, consistent crush without struggle. Each is good for close to 1 1/2 turns for just-right timing.
US Patent Number 100,041,753
- Provides consistent torque level through entire rotation
- Greater than one full turn after contact to time any muzzle device
- Expand in crushing which prevents binding on threads for easy removal
- Tight fit to OD of threads which helps center the part on the barrel
- Superior cosmetics due to symmetry and flat profile after crushing